# NCA sources and attribution

Growing Neural Cellular Automata (2020), Alexander Mordvintsev, Ettore Randazzo, Eyvind Niklasson, Michael Levin.
Article: https://distill.pub/2020/growing-ca/
Source: https://github.com/distillpub/post--growing-ca/tree/a12c7efa541b5770043a8d5470bffeacfd7b0435

ca.js is copied without changes from public/ca.js, licensed Apache-2.0 as stated in its header. See licenses/APACHE-2.0.txt.
Nine pretrained quantized model files are copied without content changes from public/webgl_models8/ex{1,2,3}_{🦎,🦋,🎄}.json, renamed lizard, butterfly and tree for ASCII URLs. The repository's CC BY 4.0 license is reproduced in licenses/CC-BY-4.0.txt. These are the original research models, not newly trained models.
TWGL.js 4.24.0 by Gregg Tavares, MIT license: licenses/TWGL-MIT.txt. Source distribution: https://cdn.jsdelivr.net/npm/twgl.js@4.24.0/dist/4.x/twgl.min.js
The UI, integration and bilingual guide are specific to ALIFE Collection. This page is not endorsed by the original authors.